,Adaptive synchronization with nonlinear input

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This paper considers the adaptive synchronization problem of the drive-response type chaotic systems. Using a transmitted scalar signal with an unknown time-delay, a response system is constructed. By appropriately selecting the observer gain and designing the controller, synchronization can be achieved in the presence of the drive system’s disturbances and unknown parameters. A well-known chaotic system, Chua’s circuit, is considered as an illustrative example to demonstrate the effectiveness of the proposed approach.
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